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I'm harvesting a web map service and from my legend the symbology is pink but the same feature on the online map is green? I've had a look at the GetCapabilities file and opened the legend png and it's pink. Does anyone have an idea as to why the colour is changing once visualised on my map?

Thanks

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1) I believe that you use PNG8 (8-bit PNG) or GIF as Default Cache Format for your layer tiles.

Remember that PNG8 can handle up to 256 colors, similar to GIF. Therefore, you see pink instead of your expected color.

Try to use PNG (24-bit PNG) or JPEG instead.

Or,

2) you have a format parameter in your WMS request, set to PNG8/GIF/TIFF8/GeoTIFF8.

Check, please WMS output formats

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